Amateur Extra › E7 Practical Circuits › E7H01
E7H01
What are three common oscillator circuits?
Pick an answer to check it.
Answer: D. Colpitts, Hartley, and Pierce
Colpitts, Hartley, and Pierce are the classic oscillator circuits. The other choices mix in made-up names like Taft and Fenner.
Tip: Colpitts, Hartley, Pierce: the big three.